When hybrid coded video with motion compensated prediction(MCP) is transmitted over unreliable channels there exists the annoying problem of error propagation.In this paper we analyze the performance of coding efficiency and the distortion caused by propagation error,i.e.,propagation distortion,in multi hypothesis MCP,and give its theoretical performance limit.Then the numerical results under some assumptions are given.Both the theoretical performance and the simulation results of some specific multi-hypothesis MCP schemes under the typical packet loss environment of Internet show that with multi hypothesis MCP both the propagation distortion can be attenuated and the coding efficiency can be improved.
Key words
multi-hypothesis motion compensated prediction /
propagation distortion /
coding efficiency
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References
[1] B Girod,N F?rber.Feedback-based error control for mobile video transmission [J].Proceedings of IEEE,1999,87(10):1707-1723.
[2] Ming-Ting Sun,Amy R Reibman.Compressed Video Over Networks[M].Marcel Dekker,2000.
[3] G Cote,F kossentini.Optimal intra coding of blocks for robust video communication over the internet [J].Signal Processing:Image Communication,1999,15(1-2):25-34.
[4] Judy Y Liao,John Villasenor.Adaptive intra block update for robust transmission of H.263 [J].IEEE Trans.Circuit and Syst.for Video Tech.,2000,10(1):30-35.
[5] P Haskell,D Messerschmitt.Resynchronization of motion compensated video affected by ATM cell loss [A].Proc.IEEE Int.Conf.On Acoustics,Speech.and Signal Processing(ICASSP) [C],San Francisco,CA,USA,March 1992,3:545-548.
[6] B Girod.Efficiency analysis of multi-hypothesis motion-compensated prediction for video coding [J].IEEE Trans.Image Processing,2000,9(2):173-183.
[7] V Bhaskaran,K Konstantinides.hnage and Video Compression Standards-Algorithms and Architectures [M].Norwell,MA:Kluwer,1995.
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